Blue Oaks Elementary (Data source)
Source data for Blue Oaks Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 1609875 | 2478 | - | 2436 | = | 42 | * | (95 | / | 285) | = | 13.99999999 | ||
| 4 | 1609876 | 2495 | - | 2485 | = | 10 | * | (97 | / | 285) | = | 3.40350877 | ||
| 5 | 1609879 | 2557 | - | 2528 | = | 29 | * | (93 | / | 285) | = | 9.46315788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Blue Oaks Elementary | 27 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 50374 | 2494 | - | 2436 | = | 58 | * | (87 | / | 275) | = | 18.34909089 | ||
| 4 | 50376 | 2517 | - | 2485 | = | 32 | * | (91 | / | 275) | = | 10.58909088 | ||
| 5 | 50379 | 2561 | - | 2528 | = | 33 | * | (97 | / | 275) | = | 11.63999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Blue Oaks Elementary | 41 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 51809 | 2487 | - | 2436 | = | 51 | * | (91 | / | 272) | = | 17.06249997 | ||
| 4 | 51811 | 2515 | - | 2485 | = | 30 | * | (88 | / | 272) | = | 9.70588233 | ||
| 5 | 51813 | 2573 | - | 2528 | = | 45 | * | (93 | / | 272) | = | 15.38602938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Blue Oaks Elementary | 42 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 51841 | 2489 | - | 2436 | = | 53 | * | (67 | / | 248) | = | 14.31854837 | ||
| 4 | 51842 | 2508 | - | 2485 | = | 23 | * | (92 | / | 248) | = | 8.53225804 | ||
| 5 | 51845 | 2562 | - | 2528 | = | 34 | * | (89 | / | 248) | = | 12.20161288 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Blue Oaks Elementary | 35 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 52031 | 2499 | - | 2436 | = | 63 | * | (72 | / | 229) | = | 19.80786024 | ||
| 4 | 52032 | 2512 | - | 2485 | = | 27 | * | (66 | / | 229) | = | 7.78165936 | ||
| 5 | 52033 | 2566 | - | 2528 | = | 38 | * | (91 | / | 229) | = | 15.10043666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Blue Oaks Elementary | 43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 27 | 41 | 42 | 35 | 43 | 188.0 | 37.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 55.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 19.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 16% | 14% | 15% | 18% | 19% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Roseville City Elementary school district | County of Placer
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Blue Oaks Elementary math proficiency
Zero+ meets standard.
12% less $meal
10% less $meal
11% less $meal
14% less $meal
15% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.